19744812

素因数分解:

$2^2\times 3^2\times {\mathrm{331}}^1\times {\mathrm{1657}}^1$

素因数の和:1998

約数の個数: 36

約数和(自身を含む): 50091496

約数和(自身を除く): 30346684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 331, 662, 993, 1324, 1657, 1986, 2979, 3314, 3972, 4971, 5958, 6628, 9942, 11916, 14913, 19884, 29826, 59652, 548467, 1096934, 1645401, 2193868, 3290802, 4936203, 6581604, 9872406, 19744812]

約数ペア:

[(1, 19744812), (2, 9872406), (3, 6581604), (4, 4936203), (6, 3290802), (9, 2193868), (12, 1645401), (18, 1096934), (36, 548467), (331, 59652), (662, 29826), (993, 19884), (1324, 14913), (1657, 11916), (1986, 9942), (2979, 6628), (3314, 5958), (3972, 4971)]